Hi Varun & Co,
On Wed, 2016-03-02 at 17:30 +0530, Varun Prakash wrote:
> On Tue, Mar 01, 2016 at 08:19:21PM +0530, Christoph Hellwig wrote:
> > This looks like pretty random exports and not something like a well
> > defined interface to me :(
>
> I have exported functions which works on iscsi-target data structures
> and can be reused by offload drivers.
The main point here for cxgbit, as-is it's duplicating a lot of code vs.
existing TCP code-paths using Linux/NET.
Many of these symbols are related to ->iscsit_immediate_queue() and
->cxgbit_response_queue() support, which for cxgbit vs. existing TCP can
both benefit using common code.
That is, to start cxgbit should avoid using these two specific callbacks
originally intended for iser-target, and for supporting traditional
iscsi hw offloads we'll need to pursue:
- New iscsit_transport per PDU callbacks invoked from
iscsit_immediate_queue() + iscsit_response_queue() in
iscsi_target.c, or
- New iscsit_transport per PDU callbacks invoked from
iscsi_send_$PDU() in iscsi_target.c.
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